{"id":21790,"date":"2015-12-01T15:52:35","date_gmt":"2015-12-01T23:52:35","guid":{"rendered":"http:\/\/www.racingjunk.com\/news\/?p=21790"},"modified":"2016-12-05T14:51:22","modified_gmt":"2016-12-05T22:51:22","slug":"video-holley-carb-basics","status":"publish","type":"post","link":"https:\/\/www.racingjunk.com\/news\/video-holley-carb-basics\/","title":{"rendered":"How to Tune Your Holley Carb: The Basics Parts I &#038; II"},"content":{"rendered":"<p>Youtube user <a href=\"https:\/\/www.youtube.com\/channel\/UC7ssYyYxo88laKkU0tW9j9A\">Thunderhead289<\/a>\u00a0does a great job covering the basics of tuning a Holley carb along with providing\u00a0advanced tips for the more experienced gear heads. \u00a0These first two videos will help you\u00a0\u00a0set your base idle settings, and differentiate between your ported and manifold vacuum. The last video covers the Holley accelerator pump set-up and tuning.<\/p>\n<p>Whether you are a carb veteran or newbie, these videos will give you a better sense of how to truly tune that Holley of yours.<\/p>\n<p>Check out Part III of this video series <a href=\"http:\/\/www.racingjunk.com\/news\/2015\/12\/29\/holley-carb-basics-part-iii\/\">here<\/a>.<\/p>\n<h3>Idle Setting &amp; Initial Ignition Timing (Part 1)<\/h3>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/5oJoc7v7b2M\" width=\"420\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>1. Start by turning idle mix screws all the evenly in small increments.<br \/>\n2. Once they are seated you are looking for about an 800 rpm idle to set.<br \/>\n3. Make sure engine is warmed up before moving distributor<br \/>\n4. Stick a vacuum\u00a0gauge on carb and make sure you are at full manifold vacuum.<\/p>\n<p>&nbsp;<\/p>\n<h3>Ported vs Manifold\u00a0Vacuum Advance (Part 1.5)<\/h3>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/p6w9-BDu1JU\" width=\"420\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Insights into running manifold vs ported vacuum<\/p>\n<h3>Holley Car Accelerator Pump Set-Up &amp; Tune (Part 2)<\/h3>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/MoRLAxRsRxo\" width=\"420\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>1. Be sure to make sure pump cam is at proper position to start<br \/>\n2. \u00a0To adjust accelerator\u00a0pump use feeler gauge\u00a0to make sure there isn&#8217;t much play.<br \/>\n3. Whenever you make an adjustment to your throttle shaft position\u00a0you will have to re-adjust accelerator pump lever since the geometry will ultimately change.<br \/>\n4. \u00a0Larger cams, more cam duration, low idle vacuum = larger squirt nozzle.<br \/>\nSmaller Cams (more streetable), smaller CFM carb, 14+ in Hg Vacuum = stock (31) size squirt nozzle<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Whether you are a carb tuning veteran or newbie, these videos will give you a better sense of how to truly tune your Holley carb for maximum performance.<\/p>\n<\/div>","protected":false},"author":17,"featured_media":21791,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"video","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5028,5008,11,3698,9,3034],"tags":[3776,3774,2467,1365,15,3611,3775,404,1593],"class_list":["post-21790","post","type-post","status-publish","format-video","has-post-thumbnail","hentry","category-fuel-delivery","category-engine","category-how-tos","category-tech","category-tech-tips","category-videos","tag-video-holley-carb-basics","tag-carb-basics","tag-carb-tuning-101","tag-engine-tuning","tag-holley","tag-holley-carb","tag-thunderhead289","tag-tuning","tag-video","post_format-post-format-video"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/www.racingjunk.com\/news\/wp-content\/uploads\/2015\/12\/Untitled.png","jetpack_shortlink":"https:\/\/wp.me\/p42YSK-5Fs","jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/posts\/21790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/comments?post=21790"}],"version-history":[{"count":9,"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/posts\/21790\/revisions"}],"predecessor-version":[{"id":27358,"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/posts\/21790\/revisions\/27358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/media\/21791"}],"wp:attachment":[{"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/media?parent=21790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/categories?post=21790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.racingjunk.com\/news\/wp-json\/wp\/v2\/tags?post=21790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}